Case study 20

What equipment is used in panoramic imaging to lower the radiation dose for the pt?

Which organ does cystic fibrosis primarily effect?

Which structure is a diagonal radiolucency superimposed over the posterior ramus of the mandible?

Cystic fibrosis is caused by a recessive gene in chromosome 6. Cystic fibrosis is characterized by thick excretions in the airways and digestive ducts.

Which tooth is most linguoverted?

Which nutrient deficiency results from cystic fibrosis?

Which Angle's Classification of occlusion does this pt exhibit?

The periapical regions of #21, 22, 27 and 28 reveal open apices. Which is the probable cause for this radiographic appearance?

After an extended time in semi-reclined position, the pt sits up quickly. He feels dizzy and loses consciousness for a brief moment. Which condition did the pt experience?

Which is the treatment consideration for a pt with cystic fibrosis?

What is a contraindication for treating this pt?

Which vitamin's need is increased with cystic fibrosis?

The mandibular anterior teeth appear to be wider and larger on the panoramic radiograph. Which technique of error may have caused this appearance?

Before the pt started orthodontics, which malocclusion is evident on the anteriors?

Which toothbrushing method is recommended for pts in orthodontics?